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1989 Map of Mahogany Hill
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1989 Map of Mahogany Hill

USGS Topo · Published 1989

About this map

Challis National Forest dominates the southwestern portion of this Idaho landscape, rising sharply toward the prominent summit of Mahogany Hill. The terrain transitions from these steep wooded slopes down into the broad Pahsimeroi Valley, where the Pahsimeroi River flows northward through a system of high-altitude ranching and range land. This 1980s provisional survey illustrates a complex hydrological network defined by numerous springs and seasonal drainages like Goldburg Creek and Big Creek, which feed into the main river channel. The border between Lemhi and Custer counties cuts through the northern section of the map, following a path across the valley floor. Evidence of local industry is sparse but present, noted by a Gravel Pit near the northern boundary, while rugged features like Monkey Gulch and the Canyon characterize the transition from the valley to the forest heights.

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Map Details

Date Portrayed1989
Date Published1989
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.7 inches

Editions of this 1989 Mahogany Hill Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Custer County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain